The Different Types and Functions of Idler Rollers

June 19th, 2019

Remember, a conveyor belt isn’t an endless strip. Quite the opposite, it’s a flexible but tough loop. Topside, the ribbon carries its load on large pulleys. On the underside, tail and head pulleys give way and idler pulleys take up the slack. At least, that’s how the return pulley idlers operate. For the other pulleys … Continue reading The Different Types and Functions of Idler Rollers

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Self-Cleaning Spiral and Winged Pulleys: How Do These Pulleys Work?

June 2nd, 2019

Just as certain bearings possess self-lubricating features, some pulleys can clean themselves. To demonstrate this feature, we’re going to check out two unique cylindrical pulley profiles. This is a fact-finding mission that begins with spiral pulleys, with their helical outlines providing the necessary self-cleaning structure. From there, our enquiries skip on over to winged pulleys, … Continue reading Self-Cleaning Spiral and Winged Pulleys: How Do These Pulleys Work?

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C1020 and C1045 Shaft Material Difference for Pulleys

May 15th, 2019

Conveyor shafts are viewed as process-essential pulley backbones. They’re the hard but ductile cylindrical cores that absorb impact while keeping their loads moving. Frankly, these key system components sometimes experience unmanageable amounts of back-breaking kinetic energy. Because of that fact, lesser shaft alloys cannot endure for long. Only resilient, carbon-strengthened steel can survive here, and … Continue reading C1020 and C1045 Shaft Material Difference for Pulleys

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Conveyor Pulley Rubber Lagging and Its Benefits to Conveyor Pulleys

May 2nd, 2019

Rubber pulley lagging serves several different roles. There’s the obvious reason for the blanketing layer, the need to protect the cylindrical drums from heavy impacts. Next, apart from the loading challenges, there’s the traction issue to work out. Lagging, fixed to a pulley drum’s surface, should grip its load-transporting ribbon. With some satisfaction, two performance … Continue reading Conveyor Pulley Rubber Lagging and Its Benefits to Conveyor Pulleys

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Conveyor Spillage and the Problems it Might Cause to Conveyor Components

April 16th, 2019

Make no mistake, conveyor systems can fail when they’re assaulted by fluid leakages. In all likelihood, the spillage won’t have any impact on the material carrying belt. It’s made of waterproof rubber or plastic or some kind of corrosion-resistant stainless steel. For the parts running under the belt, it’s a different story. The pulleys won’t … Continue reading Conveyor Spillage and the Problems it Might Cause to Conveyor Components

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Important Guidelines in Conveyor Pulley Selection

April 7th, 2019

Conveyor pulley selection guidelines function sort of like a glue. Only, this glue exists to holds a delicately balanced moving framework together. Those function coordinating powers, they’re what creates the necessary system inter-relationships and performance-tuned behaviours in a large-scale conveyor system. As those key features take their place, the gear functions more reliably so that … Continue reading Important Guidelines in Conveyor Pulley Selection

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How does an Undersized Shaft Contribute to a Conveyor Pulley Failure?

March 25th, 2019

While conducting a failure analysis study, a conveyor pulley problem received some interesting, and disconcerting, root-cause data. The causative factor didn’t suggest any issues with the pulley mounts or ends caps, nor was the cylindrical cladding on the verge of collapsing. On the contrary, it was the hardened core, the cylinder shaft that was responsible … Continue reading How does an Undersized Shaft Contribute to a Conveyor Pulley Failure?

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Avoid Shaft Deflections: Know the Right Outer and Shaft Diameter for Your Conveyor Pulley

March 10th, 2019

Shaft deflection challenges can occupy a conveyor system designer’s thoughts for protracted periods of time. Think about their role below a load conveying ribbon. The pully cylinder and its cladding do assume important functions here, of course, but it’s the shaft that performs as the mechanical backbone. If it deflects, deviates from the norm, then … Continue reading Avoid Shaft Deflections: Know the Right Outer and Shaft Diameter for Your Conveyor Pulley

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Maximising Pulley Performance through Stress and Finite Element Analysis

February 26th, 2019

Finite element analysis is a mathematically based method of solving physical problems. Think of it as a problem-solving aid, a way of breaking mechanical systems down until they become pure numbers. Stress factors on one side, design parameters on the other, mechanical structures develop as formula-balancing solutions. Here, on bringing the mathematical tools together, we’ll … Continue reading Maximising Pulley Performance through Stress and Finite Element Analysis

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Belt Width in Pulleys: Why is This Important in Pulley Design?

February 14th, 2019

In an ideal world, conveyor system designers wouldn’t worry about belt width. They’d make the flexible ribbon as wide as needed, then it would carry tons of product. That’s just not a realistic way of handling pulley design problems. To begin with, overly wide belts undermine system performance. The equipment becomes sluggish and unmanageable when … Continue reading Belt Width in Pulleys: Why is This Important in Pulley Design?

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Maximising Belt Conveyor Capabilities

January 29th, 2019

Various alloys and polymers exist to maximize a conveyor belt’s load transporting capabilities. For example, in low-temperature environments, specially selected stainless steels remain ductile. That’s a powerful feature, especially when a shock load propagates and exposes an inelastic belt conveyor to material-cracking energies. Moving on from deformation plasticity, this is a good opportunity to see … Continue reading Maximising Belt Conveyor Capabilities

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Essential Aspects of Pulley Shell and Shaft Assembly

January 15th, 2019

At a heavy-duty pulley’s centre, a specially strengthened shaft is moving in tandem with its encircling drum. It’s using its durable but malleable shaft to support an equally durable drum. This drum is also known as the shell, the outer rim that does all of the contact-heavy work. Connecting the two mechanisms, shaft and shell, … Continue reading Essential Aspects of Pulley Shell and Shaft Assembly

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Differences between Winged Self-Cleaning and Spiral Self-Cleaning Pulleys

December 13th, 2018

Like a computer printer, the pulleys and belts within a large-scale conveyor system accumulate grime. For small electronic devices, there’s a handy self-cleaning function. It removes dirt and keeps pages of cleanly rendered text churning free and easy. As for conveyor system self-cleaning mechanisms, they’re a little different. Starting with winged self-cleaning solutions, here’s a … Continue reading Differences between Winged Self-Cleaning and Spiral Self-Cleaning Pulleys

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Gravity Roller Conveyor Pulley Systems: Uses for Production Efficiency

December 6th, 2018

A fascinating knock-on effect takes place when gravity conveyor pulley systems first get moving. Perhaps it’s the laws of energy conservation that are responsible for the following piece of mechanical hocus-pocus, or perhaps it’s good old-fashioned equipment excellence that keeps the momentum going. Either way, production managers love the effect that you’re about to hear … Continue reading Gravity Roller Conveyor Pulley Systems: Uses for Production Efficiency

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Gravity Conveyor Systems: How They Contribute in Material Handling

November 23rd, 2018

Gravity conveyor systems don’t need powered motors or special power transmission assemblies. All they really need is a slope. The incline takes the payload from the top, all the way down a series of low-friction deck rollers, straight to their final destination. With little more than a light shove, they contribute a great deal of … Continue reading Gravity Conveyor Systems: How They Contribute in Material Handling

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Ball Transfer Bearings in Conveyor Pulleys

November 7th, 2018

Like the business end of a ballpoint pen, ball transfer bearings move smoothly in any direction. Elsewhere, rows of rubber-coated rollers conduct their load in one of two directions. For a long rubber belt, it’s much the same situation. The product goes forward, it goes backwards, or it’s shuttled off to the side by a … Continue reading Ball Transfer Bearings in Conveyor Pulleys

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Timing Belt Pulley Materials: Nylon versus Aluminium

October 23rd, 2018

What to select and where to use that preferred material, those are the issues braved by design engineers every single day. In conveyor system design, rigid metals and pliable elastomers provide obvious structural benefits. Used as timing belt pulley materials, however, a measured tempo is everything. Considering the flexible but unyielding properties of aluminium alloys, … Continue reading Timing Belt Pulley Materials: Nylon versus Aluminium

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Shaft Locking Assemblies for Pulleys: Functions and Purposes

October 9th, 2018

Different shaft locking solutions, each one designed to target alternative pulley shaft configurations, have been on the go for decades. There are keyed shaft couplers, which use a flattened section on cylindrical drive rods. These mechanisms have evolved somewhat. They now look like recessed slots, with accompanying “keys” locking their pulleys and drive components in … Continue reading Shaft Locking Assemblies for Pulleys: Functions and Purposes

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How to Diagnose and Resolve Pulley Belt Tension Problems

September 24th, 2018

A loss of belt tension can be incredibly frustrating. A conveyor system skews, its contents shift, and the entire system is transformed from its normal optimised runnings into a chaotic mess. Pulley tensioners attend to this duty. They adjust on-the-fly, keep the belt stretched and flat, and ensure the payload sits where it was first … Continue reading How to Diagnose and Resolve Pulley Belt Tension Problems

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Idlers for Belt Conveyors: The Importance of Durability Testing

September 10th, 2018

Before going any further, what are belt idlers? Granted, they support the belt, which, in turn, supports a moving load, but their capabilities don’t stop there, not just at supporting some random stream of moving merchandise. In addition to this key feature, belt idlers also shape the belt. They shape it, support it, and even … Continue reading Idlers for Belt Conveyors: The Importance of Durability Testing

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Purposes and Functions of Rubber Lagging in Conveyor Systems

August 27th, 2018

For a fully capable, fully efficient conveyor system, we’ve learned to coat its pulleys in durable rubber lagging. Sure, the extra layer of rubber does imbue the equipment with impact-resisting strength, but that’s not the material’s key benefit. No, the two supple material bases have natural traction. One in contact with the other, the material-gripping … Continue reading Purposes and Functions of Rubber Lagging in Conveyor Systems

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Stress and Finite Element Analysis in Conveyor Pulleys

August 14th, 2018

Conveyor belts may look like they’re doing all the work. In truth, though, it’s the pulleys that shoulder the load. They’re the workhorse system elements that support static items and dynamic loads. Ideally designed conveyor pulleys endure off-centre weights, transitory forces, and all manner of challenges. In order to incorporate such inherently serviceable design features, … Continue reading Stress and Finite Element Analysis in Conveyor Pulleys

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How Conveyor Pulley Design Affects Overall Pulley Performance

July 27th, 2018

Conveyor pulleys shape system performance. Otherwise stated, pulley performance has a direct effect on the entire equipment frame, which in turn impacts payload conveyance efficiency. It’s a tightly integrated parts assembly, this equipment, and that degree of on-board connectivity typically equals superior power-train functionality. However, if the pulleys aren’t pulling their weight, then losses will … Continue reading How Conveyor Pulley Design Affects Overall Pulley Performance

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Major Elements and Parts of Conveyor Pulleys

July 9th, 2018

Conveyor pulleys are the cylindrical drums that support and move conveyor belts. They’re mechanical devices, but there’s more to their inner workings than that crudely outlined description. For starters, that outer shell isn’t just a hollow drum. No, although they’re designed to satisfy standardized dimensional guidelines, not all pulleys are generic, nor are they rudimentary … Continue reading Major Elements and Parts of Conveyor Pulleys

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